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value | difficulty_rating int64 800 3.5k ⌀ | stats dict | last_scraped_at stringclasses 2
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codeforces:526-D | codeforces | 526-D | Om Nom and Necklace | https://codeforces.com/problemset/problem/526/D | [
"hashing",
"string suffix structures",
"strings"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 2542
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:526-C | codeforces | 526-C | Om Nom and Candies | https://codeforces.com/problemset/problem/526/C | [
"brute force",
"greedy",
"math"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 2693
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:526-B | codeforces | 526-B | Om Nom and Dark Park | https://codeforces.com/problemset/problem/526/B | [
"dfs and similar",
"greedy",
"implementation"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 4733
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:526-A | codeforces | 526-A | King of Thieves | https://codeforces.com/problemset/problem/526/A | [
"brute force",
"implementation"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 5074
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:525-E | codeforces | 525-E | Anya and Cubes | https://codeforces.com/problemset/problem/525/E | [
"binary search",
"bitmasks",
"brute force",
"dp",
"math",
"meet-in-the-middle"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 4394
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:525-D | codeforces | 525-D | Arthur and Walls | https://codeforces.com/problemset/problem/525/D | [
"constructive algorithms",
"data structures",
"graphs",
"greedy",
"shortest paths"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 2322
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:525-C | codeforces | 525-C | Ilya and Sticks | https://codeforces.com/problemset/problem/525/C | [
"greedy",
"math",
"sortings"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 6105
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:525-B | codeforces | 525-B | Pasha and String | https://codeforces.com/problemset/problem/525/B | [
"constructive algorithms",
"greedy",
"math",
"strings"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 10334
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:525-A | codeforces | 525-A | Vitaliy and Pie | https://codeforces.com/problemset/problem/525/A | [
"greedy",
"hashing",
"strings"
] | null | null | stdin_stdout | 1,100 | {
"solved_count": 16609
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:524-F | codeforces | 524-F | And Yet Another Bracket Sequence | https://codeforces.com/problemset/problem/524/F | [
"data structures",
"greedy",
"hashing",
"string suffix structures",
"strings"
] | null | null | stdin_stdout | 2,700 | {
"solved_count": 645
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:524-E | codeforces | 524-E | Rooks and Rectangles | https://codeforces.com/problemset/problem/524/E | [
"data structures",
"sortings"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 1367
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:524-D | codeforces | 524-D | Social Network | https://codeforces.com/problemset/problem/524/D | [
"greedy",
"two pointers"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 1022
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:524-C | codeforces | 524-C | The Art of Dealing with ATM | https://codeforces.com/problemset/problem/524/C | [
"binary search",
"sortings"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 2201
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:524-B | codeforces | 524-B | Фото на память - 2 (round version) | https://codeforces.com/problemset/problem/524/B | [
"dp",
"greedy"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 1559
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:524-A | codeforces | 524-A | Возможно, вы знаете этих людей? | https://codeforces.com/problemset/problem/524/A | [
"implementation"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 1490
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:523-D | codeforces | 523-D | Statistics of Recompressing Videos | https://codeforces.com/problemset/problem/523/D | [
"*special",
"data structures",
"implementation"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 2605
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:523-C | codeforces | 523-C | Name Quest | https://codeforces.com/problemset/problem/523/C | [
"*special",
"greedy"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 2616
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:523-B | codeforces | 523-B | Mean Requests | https://codeforces.com/problemset/problem/523/B | [
"*special",
"implementation"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 1000
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:523-A | codeforces | 523-A | Rotate, Flip and Zoom | https://codeforces.com/problemset/problem/523/A | [
"*special",
"implementation"
] | null | null | stdin_stdout | 1,200 | {
"solved_count": 2873
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:522-D | codeforces | 522-D | Closest Equals | https://codeforces.com/problemset/problem/522/D | [
"*special",
"data structures"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 4196
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:522-C | codeforces | 522-C | Chicken or Fish? | https://codeforces.com/problemset/problem/522/C | [
"greedy"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 767
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:522-B | codeforces | 522-B | Photo to Remember | https://codeforces.com/problemset/problem/522/B | [
"*special",
"data structures",
"dp",
"implementation"
] | null | null | stdin_stdout | 1,100 | {
"solved_count": 9617
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:522-A | codeforces | 522-A | Reposts | https://codeforces.com/problemset/problem/522/A | [
"*special",
"dfs and similar",
"dp",
"graphs",
"trees"
] | null | null | stdin_stdout | 1,200 | {
"solved_count": 19354
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:521-E | codeforces | 521-E | Cycling City | https://codeforces.com/problemset/problem/521/E | [
"dfs and similar",
"graphs"
] | null | null | stdin_stdout | 3,100 | {
"solved_count": 1325
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:521-D | codeforces | 521-D | Shop | https://codeforces.com/problemset/problem/521/D | [
"greedy"
] | null | null | stdin_stdout | 2,800 | {
"solved_count": 1998
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:520-E | codeforces | 520-E | Pluses everywhere | https://codeforces.com/problemset/problem/520/E | [
"combinatorics",
"dp",
"math",
"number theory"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 2145
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:520-D | codeforces | 520-D | Cubes | https://codeforces.com/problemset/problem/520/D | [
"games",
"greedy",
"implementation"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 1696
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:520-C | codeforces | 520-C | DNA Alignment | https://codeforces.com/problemset/problem/520/C | [
"math",
"strings"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 4345
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:520-B | codeforces | 520-B | Two Buttons | https://codeforces.com/problemset/problem/520/B | [
"dfs and similar",
"graphs",
"greedy",
"implementation",
"math",
"shortest paths"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 65227
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:520-A | codeforces | 520-A | Pangram | https://codeforces.com/problemset/problem/520/A | [
"implementation",
"strings"
] | null | null | stdin_stdout | 800 | {
"solved_count": 131810
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:519-E | codeforces | 519-E | A and B and Lecture Rooms | https://codeforces.com/problemset/problem/519/E | [
"binary search",
"data structures",
"dfs and similar",
"dp",
"trees"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 8933
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:519-D | codeforces | 519-D | A and B and Interesting Substrings | https://codeforces.com/problemset/problem/519/D | [
"data structures",
"dp",
"two pointers"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 6938
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:519-C | codeforces | 519-C | A and B and Team Training | https://codeforces.com/problemset/problem/519/C | [
"greedy",
"implementation",
"math",
"number theory"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 20837
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:519-B | codeforces | 519-B | A and B and Compilation Errors | https://codeforces.com/problemset/problem/519/B | [
"data structures",
"implementation",
"sortings"
] | null | null | stdin_stdout | 1,100 | {
"solved_count": 44351
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:519-A | codeforces | 519-A | A and B and Chess | https://codeforces.com/problemset/problem/519/A | [
"implementation"
] | null | null | stdin_stdout | 900 | {
"solved_count": 20269
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:518-F | codeforces | 518-F | Pasha and Pipe | https://codeforces.com/problemset/problem/518/F | [
"binary search",
"brute force",
"combinatorics",
"dp",
"implementation"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 443
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:518-E | codeforces | 518-E | Arthur and Questions | https://codeforces.com/problemset/problem/518/E | [
"greedy",
"implementation",
"math",
"ternary search"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 1080
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:518-D | codeforces | 518-D | Ilya and Escalator | https://codeforces.com/problemset/problem/518/D | [
"combinatorics",
"dp",
"math",
"probabilities"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 8479
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:518-C | codeforces | 518-C | Anya and Smartphone | https://codeforces.com/problemset/problem/518/C | [
"constructive algorithms",
"data structures",
"implementation"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 6408
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:518-B | codeforces | 518-B | Tanya and Postcard | https://codeforces.com/problemset/problem/518/B | [
"greedy",
"implementation",
"strings"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 8447
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:518-A | codeforces | 518-A | Vitaly and Strings | https://codeforces.com/problemset/problem/518/A | [
"constructive algorithms",
"strings"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 9590
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:516-E | codeforces | 516-E | Drazil and His Happy Friends | https://codeforces.com/problemset/problem/516/E | [
"math",
"number theory"
] | null | null | stdin_stdout | 3,100 | {
"solved_count": 678
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:516-D | codeforces | 516-D | Drazil and Morning Exercise | https://codeforces.com/problemset/problem/516/D | [
"dfs and similar",
"dp",
"dsu",
"trees",
"two pointers"
] | null | null | stdin_stdout | 2,800 | {
"solved_count": 1583
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:515-E | codeforces | 515-E | Drazil and Park | https://codeforces.com/problemset/problem/515/E | [
"data structures"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 2528
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:515-D | codeforces | 515-D | Drazil and Tiles | https://codeforces.com/problemset/problem/515/D | [
"constructive algorithms",
"greedy"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 3050
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:515-C | codeforces | 515-C | Drazil and Factorial | https://codeforces.com/problemset/problem/515/C | [
"greedy",
"math",
"sortings"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 29074
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:515-B | codeforces | 515-B | Drazil and His Happy Friends | https://codeforces.com/problemset/problem/515/B | [
"brute force",
"dsu",
"meet-in-the-middle",
"number theory"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 7811
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:515-A | codeforces | 515-A | Drazil and Date | https://codeforces.com/problemset/problem/515/A | [
"math"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 22341
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:514-E | codeforces | 514-E | Darth Vader and Tree | https://codeforces.com/problemset/problem/514/E | [
"dp",
"matrices"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 1798
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:514-D | codeforces | 514-D | R2D2 and Droid Army | https://codeforces.com/problemset/problem/514/D | [
"binary search",
"data structures",
"two pointers"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 5651
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:514-C | codeforces | 514-C | Watto and Mechanism | https://codeforces.com/problemset/problem/514/C | [
"binary search",
"data structures",
"hashing",
"string suffix structures",
"strings"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 8447
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:514-B | codeforces | 514-B | Han Solo and Lazer Gun | https://codeforces.com/problemset/problem/514/B | [
"brute force",
"data structures",
"geometry",
"implementation",
"math"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 22857
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:514-A | codeforces | 514-A | Chewbaсca and Number | https://codeforces.com/problemset/problem/514/A | [
"greedy",
"implementation"
] | null | null | stdin_stdout | 1,200 | {
"solved_count": 74393
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:513-G3 | codeforces | 513-G3 | Inversions problem | https://codeforces.com/problemset/problem/513/G3 | [
"dp"
] | null | null | stdin_stdout | 3,100 | {
"solved_count": 332
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:513-G2 | codeforces | 513-G2 | Inversions problem | https://codeforces.com/problemset/problem/513/G2 | [
"dp",
"probabilities"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 753
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:513-G1 | codeforces | 513-G1 | Inversions problem | https://codeforces.com/problemset/problem/513/G1 | [
"brute force",
"dfs and similar",
"dp",
"meet-in-the-middle"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 1859
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:513-F2 | codeforces | 513-F2 | Scaygerboss | https://codeforces.com/problemset/problem/513/F2 | [
"flows"
] | null | null | stdin_stdout | 2,800 | {
"solved_count": 414
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:513-F1 | codeforces | 513-F1 | Scaygerboss | https://codeforces.com/problemset/problem/513/F1 | [
"flows"
] | null | null | stdin_stdout | 2,700 | {
"solved_count": 398
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:513-E2 | codeforces | 513-E2 | Subarray Cuts | https://codeforces.com/problemset/problem/513/E2 | [
"dp"
] | null | null | stdin_stdout | 2,700 | {
"solved_count": 660
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:513-E1 | codeforces | 513-E1 | Subarray Cuts | https://codeforces.com/problemset/problem/513/E1 | [
"dp"
] | null | null | stdin_stdout | 2,600 | {
"solved_count": 600
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:513-D2 | codeforces | 513-D2 | Constrained Tree | https://codeforces.com/problemset/problem/513/D2 | [
"constructive algorithms",
"data structures"
] | null | null | stdin_stdout | 2,600 | {
"solved_count": 409
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:513-D1 | codeforces | 513-D1 | Constrained Tree | https://codeforces.com/problemset/problem/513/D1 | [
"dfs and similar"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 657
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:513-C | codeforces | 513-C | Second price auction | https://codeforces.com/problemset/problem/513/C | [
"bitmasks",
"probabilities"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 1727
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:513-B2 | codeforces | 513-B2 | Permutations | https://codeforces.com/problemset/problem/513/B2 | [
"bitmasks",
"divide and conquer",
"math"
] | null | null | stdin_stdout | 1,800 | {
"solved_count": 2946
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:513-B1 | codeforces | 513-B1 | Permutations | https://codeforces.com/problemset/problem/513/B1 | [
"brute force"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 3855
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:513-A | codeforces | 513-A | Game | https://codeforces.com/problemset/problem/513/A | [
"constructive algorithms",
"math"
] | null | null | stdin_stdout | 800 | {
"solved_count": 21944
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:512-E | codeforces | 512-E | Fox And Polygon | https://codeforces.com/problemset/problem/512/E | [
"constructive algorithms",
"divide and conquer"
] | null | null | stdin_stdout | 2,900 | {
"solved_count": 631
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:512-D | codeforces | 512-D | Fox And Travelling | https://codeforces.com/problemset/problem/512/D | [
"dp",
"trees"
] | null | null | stdin_stdout | 2,900 | {
"solved_count": 1214
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:510-E | codeforces | 510-E | Fox And Dinner | https://codeforces.com/problemset/problem/510/E | [
"flows"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 2530
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:510-D | codeforces | 510-D | Fox And Jumping | https://codeforces.com/problemset/problem/510/D | [
"bitmasks",
"brute force",
"dp",
"math"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 6551
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:510-C | codeforces | 510-C | Fox And Names | https://codeforces.com/problemset/problem/510/C | [
"dfs and similar",
"graphs",
"sortings"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 23291
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:510-B | codeforces | 510-B | Fox And Two Dots | https://codeforces.com/problemset/problem/510/B | [
"dfs and similar"
] | null | null | stdin_stdout | 1,500 | {
"solved_count": 16771
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:510-A | codeforces | 510-A | Fox And Snake | https://codeforces.com/problemset/problem/510/A | [
"implementation"
] | null | null | stdin_stdout | 800 | {
"solved_count": 109515
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:509-F | codeforces | 509-F | Progress Monitoring | https://codeforces.com/problemset/problem/509/F | [
"dp",
"trees"
] | null | null | stdin_stdout | 2,300 | {
"solved_count": 1207
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:509-E | codeforces | 509-E | Pretty Song | https://codeforces.com/problemset/problem/509/E | [
"math",
"strings"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 1910
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:509-D | codeforces | 509-D | Restoring Numbers | https://codeforces.com/problemset/problem/509/D | [
"constructive algorithms",
"math"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 832
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:509-C | codeforces | 509-C | Sums of Digits | https://codeforces.com/problemset/problem/509/C | [
"dp",
"greedy",
"implementation"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 2457
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:509-B | codeforces | 509-B | Painting Pebbles | https://codeforces.com/problemset/problem/509/B | [
"constructive algorithms",
"greedy",
"implementation"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 10022
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:509-A | codeforces | 509-A | Maximum in Table | https://codeforces.com/problemset/problem/509/A | [
"brute force",
"implementation"
] | null | null | stdin_stdout | 800 | {
"solved_count": 44750
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:508-E | codeforces | 508-E | Arthur and Brackets | https://codeforces.com/problemset/problem/508/E | [
"dp",
"greedy"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 1979
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:508-D | codeforces | 508-D | Tanya and Password | https://codeforces.com/problemset/problem/508/D | [
"dfs and similar",
"graphs"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 4496
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:508-C | codeforces | 508-C | Anya and Ghosts | https://codeforces.com/problemset/problem/508/C | [
"constructive algorithms",
"greedy"
] | null | null | stdin_stdout | 1,600 | {
"solved_count": 4692
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:508-B | codeforces | 508-B | Anton and currency you all know | https://codeforces.com/problemset/problem/508/B | [
"greedy",
"math",
"strings"
] | null | null | stdin_stdout | 1,300 | {
"solved_count": 24188
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:508-A | codeforces | 508-A | Pasha and Pixels | https://codeforces.com/problemset/problem/508/A | [
"brute force"
] | null | null | stdin_stdout | 1,100 | {
"solved_count": 8492
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:507-E | codeforces | 507-E | Breaking Good | https://codeforces.com/problemset/problem/507/E | [
"dfs and similar",
"dp",
"graphs",
"shortest paths"
] | null | null | stdin_stdout | 2,100 | {
"solved_count": 3341
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:507-D | codeforces | 507-D | The Maths Lecture | https://codeforces.com/problemset/problem/507/D | [
"dp",
"implementation"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 2194
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:507-C | codeforces | 507-C | Guess Your Way Out! | https://codeforces.com/problemset/problem/507/C | [
"implementation",
"math",
"trees"
] | null | null | stdin_stdout | 1,700 | {
"solved_count": 4598
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:507-B | codeforces | 507-B | Amr and Pins | https://codeforces.com/problemset/problem/507/B | [
"geometry",
"math"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 27002
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:507-A | codeforces | 507-A | Amr and Music | https://codeforces.com/problemset/problem/507/A | [
"greedy",
"implementation",
"sortings"
] | null | null | stdin_stdout | 1,000 | {
"solved_count": 22288
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:506-E | codeforces | 506-E | Mr. Kitayuta's Gift | https://codeforces.com/problemset/problem/506/E | [
"combinatorics",
"dp",
"matrices",
"strings"
] | null | null | stdin_stdout | 3,000 | {
"solved_count": 1038
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:506-D | codeforces | 506-D | Mr. Kitayuta's Colorful Graph | https://codeforces.com/problemset/problem/506/D | [
"brute force",
"dfs and similar",
"dsu",
"graphs"
] | null | null | stdin_stdout | 2,400 | {
"solved_count": 2609
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:505-E | codeforces | 505-E | Mr. Kitayuta vs. Bamboos | https://codeforces.com/problemset/problem/505/E | [
"binary search",
"greedy"
] | null | null | stdin_stdout | 2,900 | {
"solved_count": 1644
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:505-D | codeforces | 505-D | Mr. Kitayuta's Technology | https://codeforces.com/problemset/problem/505/D | [
"dfs and similar"
] | null | null | stdin_stdout | 2,200 | {
"solved_count": 3045
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:505-C | codeforces | 505-C | Mr. Kitayuta, the Treasure Hunter | https://codeforces.com/problemset/problem/505/C | [
"dfs and similar",
"dp",
"two pointers"
] | null | null | stdin_stdout | 1,900 | {
"solved_count": 7508
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:505-B | codeforces | 505-B | Mr. Kitayuta's Colorful Graph | https://codeforces.com/problemset/problem/505/B | [
"dfs and similar",
"dp",
"dsu",
"graphs"
] | null | null | stdin_stdout | 1,400 | {
"solved_count": 15382
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:505-A | codeforces | 505-A | Mr. Kitayuta's Gift | https://codeforces.com/problemset/problem/505/A | [
"brute force",
"implementation",
"strings"
] | null | null | stdin_stdout | 1,100 | {
"solved_count": 6979
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:504-E | codeforces | 504-E | Misha and LCP on Tree | https://codeforces.com/problemset/problem/504/E | [
"binary search",
"dfs and similar",
"hashing",
"string suffix structures",
"trees"
] | null | null | stdin_stdout | 3,000 | {
"solved_count": 1100
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:504-D | codeforces | 504-D | Misha and XOR | https://codeforces.com/problemset/problem/504/D | [
"bitmasks"
] | null | null | stdin_stdout | 2,700 | {
"solved_count": 380
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:501-E | codeforces | 501-E | Misha and Palindrome Degree | https://codeforces.com/problemset/problem/501/E | [
"binary search",
"combinatorics",
"implementation"
] | null | null | stdin_stdout | 2,500 | {
"solved_count": 985
} | 2026-08-10T02:20:32.917453+00:00 |
codeforces:501-D | codeforces | 501-D | Misha and Permutations Summation | https://codeforces.com/problemset/problem/501/D | [
"data structures"
] | null | null | stdin_stdout | 2,000 | {
"solved_count": 2771
} | 2026-08-10T02:20:32.917453+00:00 |
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